A comparison of outcomes from trials of endoscopic management of LNPCPs
| Moss et al9 | BCSP7 | Buchner et al31 | Longcroft- Wheaton et al29 | |
|---|---|---|---|---|
| Number of LNCPCs | 479 | 436 | 308 | 187 |
| Mean size (mm) | 35.6 | 29.5 | 23 | 41.5 |
| Cases with complete resection considered achieved after single session (%) | 89.2 | NA | 91 | 90% |
| Malignancy in resection specimen (%) | 6.9 | 6 | 4.4 | 5.9 |
| Need for surgery (%) | 16.3 | 16.1 | 10 | 9 |
| 3-Month recurrence (%) | 20.4 | 16.5 | 27 | 14.5 |
| 12-Month recurrence (%) | 2 | 6 | 16.3 | 3.9 |
| Delayed bleeding | 2.9 | 3 | 7.2 | 2.7 |
| Perforation | 1.3 | 0.5 | 0.4 | 0.45 |
BCSP, Bowel Cancer Screening Programme; LNPCPs, large non-pedunculated colorectal polyps.